qiurui
/
Centos-kernel-stream-9
mirror of https://gitlab.com/redhat/centos-stream/src/kernel/centos-stream-9.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

pldmfw: enable selected component update 

JIRA: https://issues.redhat.com/browse/RHEL-75600

Upstream commit(s):
commit d4679b79ffae994fea08bc7751ff6550ad057f05
Author: Konrad Knitter <konrad.knitter@intel.com>
Date:   Wed Nov 6 10:36:41 2024 +0100

    pldmfw: enable selected component update

    This patch enables to update a selected component from PLDM image
    containing multiple components.

    Example usage:

    struct pldmfw;
    data.mode = PLDMFW_UPDATE_MODE_SINGLE_COMPONENT;
    data.compontent_identifier = DRIVER_FW_MGMT_COMPONENT_ID;

    Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
    Reviewed-by: Marcin Szycik <marcin.szycik@linux.intel.com>
    Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
    Signed-off-by: Konrad Knitter <konrad.knitter@intel.com>
    Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel)
    Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>

Signed-off-by: Petr Oros <poros@redhat.com>
This commit is contained in:
Petr Oros 2025-05-20 10:33:26 +02:00
parent 52a83746ef
commit d01f5be893
2 changed files with 16 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
include/linux/pldmfw.h
View File

@ -125,9 +125,17 @@ struct pldmfw_ops;
* a pointer to their own data, used to implement the device specific * a pointer to their own data, used to implement the device specific
* operations. * operations.
*/ */
enum pldmfw_update_mode {
PLDMFW_UPDATE_MODE_FULL,
PLDMFW_UPDATE_MODE_SINGLE_COMPONENT,
};
struct pldmfw { struct pldmfw {
const struct pldmfw_ops *ops; const struct pldmfw_ops *ops;
struct device *dev; struct device *dev;
u16 component_identifier;
enum pldmfw_update_mode mode;
}; };
bool pldmfw_op_pci_match_record(struct pldmfw *context, struct pldmfw_record *record); bool pldmfw_op_pci_match_record(struct pldmfw *context, struct pldmfw_record *record);

8
lib/pldmfw/pldmfw.c
View File

@ -481,9 +481,17 @@ static int pldm_parse_components(struct pldmfw_priv *data)
component->component_data = data->fw->data + offset; component->component_data = data->fw->data + offset;
component->component_size = size; component->component_size = size;
if (data->context->mode == PLDMFW_UPDATE_MODE_SINGLE_COMPONENT &&
data->context->component_identifier != component->identifier)
continue;
list_add_tail(&component->entry, &data->components); list_add_tail(&component->entry, &data->components);
} }
if (data->context->mode == PLDMFW_UPDATE_MODE_SINGLE_COMPONENT &&
list_empty(&data->components))
return -ENOENT;
header_crc_ptr = data->fw->data + data->offset; header_crc_ptr = data->fw->data + data->offset;
err = pldm_move_fw_offset(data, sizeof(data->header_crc)); err = pldm_move_fw_offset(data, sizeof(data->header_crc));